Omega Products PSW-701 User Manual

HEAVY-DUTY INDUSTRIAL SWITCHES

PSW-701, 711-714

1/4 NPT

PSW-710, 715-717

1/4 NPT

PSW-705-707

1/4 NPT (F)

PSW-721-726

1/2 NPT

PSW-731-735

1/2 NPT

PSW-702-704, 708, 709

1/2 NPT

SINGLE OR DUAL SETPOINT, INTERNAL OR EXTERNAL ADJUSTMENT

See switch

accessories on page

PSW-700 Series

30 inHg Vacuum to 3000 psi

H-37 for audible alarms

and relay modules.

Starts at

315

⻬ Division 1 Rating ⻬ Single or Dual Setpoints,

Tamper Resistant

⻬ Heavy-Duty Enclosure ⻬ Rated NEMA 4X, 7, 9

(IP66)

⻬ Terminal Block Wiring ⻬ High-Temperature

Operation to 200°C (392°F) Process Temperature (Stainless Steel Model Only)

PSW-700 Series pressure switches are built for the rugged industrial setting. The internal setpoints allow adjustments while keeping the electrical component isolated from the environment. Both the internal and external setpoints have a range scale, allowing fast, easy setup.

SPECIFICATIONS

Approvals: UL listed; Class I, Division

1 and 2, Groups B, C and D; Class II, Groups E, F and G; Class III

Repeatability: ±1% range Process Temperature:

Stainless Steel: -57 to 204°C

(-70 to 400°F)

Brass: -40 to 149°C (-40 to 300°F) Buna-N: -23 to 93°C (-10 to 200°F)

Ambient Temperature:

-50 to 71°C (-58 to 160°F), except for models 703 to 705, which are -18 to 71°C (0 to 160°F). Setpoint typically shifts less than 1% of range for a 28°C (50°F) ambient temperature change.

Shock: Setpoint repeats after 15 g, 10 ms duration

Vibration: Setpoint repeats after

2.5 g at 5 to 500 Hz Output: 1 SPDT or 2 SPDT

15 A 125/250/480 Vac

Enclosure: Low copper-cast epoxy-coated aluminum

Electrical Connection:

conduit; internal screw terminals

Dimensions:

Weight: Approx. 1.7 kg (4 lb)

psi Ranges:

230 (max) H x 125 W x 108 mm D (9 x 4.9 x 4.3")

O Ranges:

W and D = 153 mm (6")

H-33

PSW-722, ±10 inH2O

range, $655, shown much

smaller than actual size.

⁄4 NPT

Dual external

setpoint

calibration

adjustment

INDUSTRIAL SWITCHES

PSW-707, 0 to 500 psi range, $595, shown smaller than actual size

Recommended Reference Book:

Fluid Machinery,

ME-1849, $135

See Section Y

For Additional Books

MOST POPULAR

MODELS HIGHLIGHTED!

To Order (Specify Model Number)

RANGE

MODEL STANDARD PROOF DIAL NO.

PRICE

STANDARD METRIC

SINGLE SETPOINT, FIXED DEADBAND, WELDED 316L SS DIAPHRAGM,

PSW-721 $655 -300 to 0 inH2O -747 to 0 mbar 0.2 to 15 inH2O 100 psi 15 A SPDT Blind adj PSW-722 655 -10 to 10 inH2O -25 to 25 mbar 0.1 to 0.6 inH2O 100 psi 15 A SPDT Blind adj PSW-723 655 -50 to 50 inH2O -125 to 125 mbar 0.1 to 3 inH2O 100 psi 15 A SPDT Blind adj PSW-724 655 0.5 to 5 inH2O 1.25 to 12.5 mbar 0.1 to 0.3 inH2O 100 psi 15 A SPDT Blind adj PSW-725 655 2.5 to 50 inH2O 6 to 125 mbar 0.1 to 0.8 inH2O 100 psi 15 A SPDT Blind adj PSW-726 655 10 to 250 inH2O 25 to 622 mbar 0.1 to 10 inH2O 100 psi 15 A SPDT Blind adj PSW-731 315 5 to 30 psi 0.3 to 2.1 bar 1 to 6 psi 2500 psi 15 A SPDT Blind adj PSW-732 315 10 to 100 psi 0.7 to 7 bar 1 to 15 psi 2500 psi 15 A SPDT Blind adj

PSW-733 315 15 to 300 psi 1 to 21 bar 3 to 25 psi 2500 psi 15 A SPDT Blind adj PSW-734 315 20 to 500 psi 1.4 to 34.5 bar 4 to 45 psi 2500 psi 15 A SPDT Blind adj PSW-735 315 80 to 1700 psi 5.5 to 117 bar 5 to 150 psi 2500 psi 15 A SPDT Blind adj

DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, SEALED BRASS BELLOWS,

⁄

FNPT NICKEL-PLATED BRASS PRESSURE CONNECTION

PSW-701 $545 PSW-711 540

30 inHg vac to 0 psi 30 inHg vac to 20 psi

1.02 to 0 bar 0.2 to 0.9 inHg 30 inHg (2)15 A SPDT 0.5 inHg

-1 to 1.4 bar 0.2 to 1.2 inHg 25 psi (2)15 A SPDT

PSW-712 540 0 to 30 psi 0 to 2 bar 0.1 to 0.6 psi 40 psi (2)15 A SPDT 0.5 psi

PSW-713 540 0 to 100 psi 0 to 6.9 bar 0.2 to 0.8 psi 125 psi (2)15 A SPDT 2 psi PSW-714 540 0 to 200 psi 0 to 13.8 bar 0.3 to 2 psi 200 psi (2)15 A SPDT 5 psi

DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, WELDED 316 SS BELLOWS,

⁄

FNPT PRESSURE CONNECTION

PSW-702 $690 0 to 20 psi 0 to 1.4 bar 0.1 to 0.5 25 psi (2)15 A SPDT 0.5 inHg

PSW-703 695 0 to 30 psi 0 to 2 bar 0.1 to 0.6 40 psi (2)15 A SPDT 0.5 psi

PSW-704 695 0 to 100 psi 0 to 6.9 bar 0.2 to 0.8 125 psi (2)15 A SPDT 2 psi

PSW-708 695

30 inHg vac to 20 psi

-1 to 1.4 bar 0.2 to 1.2 inHg 25 psi (2)15 A SPDT

PSW-709 695 0 to 200 psi 0 to 13.8 bar 0.3 to 2 psi 200 psi (2)15 A SPDT 5 psi

DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, WELDED 316 SS BELLOWS,

⁄

FNPT PRESSURE CONNECTION

PSW-705 $595 0 to 200 psi 0 to 13.8 bar 1.5 to 8 250 psi (2)15 A SPDT 5 psi

PSW-706 595 0 to 300 psi 0 to 20.7 bar 2 to 9 350 psi (2)15 A SPDT 10 psi

PSW-707 595 0 to 500 psi 0 to 34.5 bar 3 to 12 575 psi (2)15 A SPDT 10 psi

DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, FIXED DEADBAND, BUNA-N O-RING, SS PISTON,

⁄

FNPT 303 SS PRESSURE CONNECTION

PSW-710 $595 125 to 3000 psi 8.6 to 207 bar 40 to 250 psi 10,000 psi (2)15 A SPDT 50 psi

DUAL SETPOINT, EXTERNAL CALIBRATED ADJUSTMENT, FIXED DEADBAND, BUNA-N DIAPHRAGM AND O-RING,

⁄

FNPT NICKEL-PLATED PRESSURE CONNECTION

PSW-715 $485 30 to 300 psi 2 to 21 bar 2 to 7 psi 1000 psi (2)15 A SPDT 10 psi PSW-716 485 50 to 500 psi 3.5 to 34.5 bar 3 to 12 psi 2500 psi (2)15 A SPDT 10 psi PSW-717 485 200 to 1000 psi 13.8 to 69 bar 5 to 25 psi 2500 psi (2)15 A SPDT 25 psi

Comes complete with operator’s manual. Oxygen cleaning option available on welded SS diaphragm models; add suffix “-X6B” to model number and $30 to price.

Ordering Example: PSW-703-X6B, dual-setpoint 30 psi switch with welded SS diaphragm, specially cleaned for oxygen service, $695 + 30 = $725.

DEADBAND

UNITS PRESSURE

⁄

FNPT PRESSURE CONNECTION

SWITCH

GRADUATION

1 inHg & 0.5 psi

PRESSURE SWITCHES

H-34

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